Compute the cement content

Question

Problem

The proportions by mass for a concrete mixture are given as follows:

cement = 1

water = 0.53

sand = 2.50

gravel = 3.50

If the unit weight is 2400 kg/m³, compute the cement content.

The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.